update workflow

Author: hellertang

.github/workflows/fmt.yml

@@ -16,7 +16,7 @@ jobs:
   # This workflow contains a single job called "build"
   fmt:
     # The type of runner that the job will run on
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-18.04
 
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:

scripts/gofmtcheck.sh

@@ -2,6 +2,7 @@
 
 # Check gofmt
 echo "==> Checking that code complies with gofmt requirements..."
+echo $(go version)
 gofmt_files=$(gofmt -l `find tencentcloud -name '*.go' | grep -v vendor`)
 if [[ -n ${gofmt_files} ]]; then
     echo 'gofmt needs running on the following files:'